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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">veststu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Сибирского государственного университета путей сообщения</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Siberian State University of Transport</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1815-9265</issn><publisher><publisher-name>Сибирский государственный университет путей сообщения</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">veststu-875</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МЕХАНИКА, МАШИНОСТРОЕНИЕ И МАШИНОВЕДЕНИЕ</subject></subj-group></article-categories><title-group><article-title>Конверсия тепла в электрическую энергию</article-title><trans-title-group xml:lang="en"><trans-title>Heat Conversion into Electrical Energy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Добросельский</surname><given-names>К. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Dobroselsky</surname><given-names>K. G.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Антипин</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Antipin</surname><given-names>V. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Институт теплофизики им. С.С. Кутателадзе СО РАН</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>СГУПС</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>17</day><month>09</month><year>2026</year></pub-date><issue>2</issue><fpage>47</fpage><lpage>53</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Добросельский К.Г., Антипин В.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Добросельский К.Г., Антипин В.А.</copyright-holder><copyright-holder xml:lang="en">Dobroselsky K.G., Antipin V.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.vestnikstu.ru/jour/article/view/875">https://www.vestnikstu.ru/jour/article/view/875</self-uri><abstract><p>Приведен краткий обзор механизмов и материалов по преобразованию рассеянного в окружающей среде тепла в электрическую энергию. Показаны основные способы и направления исследования в этой области. В большей степени статья посвящена преобразованию низкопотенциального тепла путем использования пироэлектрических материалов. Приведены материалы, которые могут быть использованы для эффективного преобразования теплоты в пироэлектричество. Рассмотрены физические принципы преобразования тепловой энергии в электрическую путем поляризации доменов под воздействием изменения температуры. Показано, что определяющую роль при этом играет пирокоэффициент преобразования теплоты в электрический заряд. Приведены основные формулы для расчета тока, напряжения и энергии, из которых следует, что энергия заряда определяется пирокоэффициентом, амплитудой колебания температуры, площадью поверхности и толщиной элемента. Генераторы электрической энергии с малыми токами потребления, которые в качестве источника энергии используют тепловые (температурные) колебания, могут быть применены в мобильных установках, к которым и относится железнодорожный транспорт.</p></abstract><trans-abstract xml:lang="en"><p>A brief review of the mechanisms and materials on the heat transformation dissipated in the environment into electrical energy is given. The main methods and directions of research in this field are shown. To a greater extent, the article is devoted to the transformation of low-potential heat by using pyroelectric materials. Here are given materials that can be used to effectively convert heat into pyroelectricity. The physical principles of conversion of thermal energy into electrical energy by polarization of domains under the influence of temperature changes are considered. It is shown that the pyroelectric coefficient of heat conversion into electric charge plays the decisive role. The main formulas for the calculation of current, voltage and energy are given, from which it follows that the charge energy is determined by the pyroelectric coefficient, the amplitude of the temperature fluctuation, the surface area and the thickness of the element. Generators of electric energy with small consumption currents, where thermal (temperature fluctuations) are used as an energy source, can be used in mobile installations, which include rail transport.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>изменение температуры</kwd><kwd>пироэлектрик</kwd><kwd>спонтанная поляризация</kwd><kwd>пирокоэффициент</kwd><kwd>ток</kwd><kwd>напряжение</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Review of pyroelectric thermal energy harvesting and new MEMs-based resonant energy conversion techniques / S.R. Hunter, N.V. Lavrik, S. Mostafa, S. Rajic, P.G. 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